TWI894810B - motorcycle - Google Patents

Abstract

A motorcycle comprises: a frame unit; a power unit, disposed on the frame unit and including an engine and an ignition unit; a starter generator, disposed on the power unit; an air filter unit, disposed in the rear half of the frame unit and spanning across a center plane of the frame; an engine control unit, disposed in the rear half of the frame unit and used to control the power unit, and located on one side of the air filter unit; and a starter generator controller, disposed in the rear half of the frame unit and used to control the starter generator, and located on the other side of the air filter unit.

Description

motorcycle

The present invention relates to a motorcycle, and more particularly to a motorcycle comprising an engine control unit (ECU) and a starter generator controller.

Referring to Figures 1 and 2, Republic of China Patent Publication No. TWI702164 discloses a straddle-type vehicle comprising a head pipe 11, a headlight 137, an integrated starter generator (ISG) (not shown) positioned behind the head pipe 11 and the headlight 137, and an engine control unit (ECU) 144. The ECU 144 is positioned between the head pipe 11 and the headlight 137 in the vehicle's fore-aft direction and includes a regulator 147 connected to the ISG. In other words, the ECU 144 and the regulator 147, which functions as an ISG controller, of the straddle-type vehicle disclosed in Republic of China Patent Publication No. TWI702164 are both located at the front of the vehicle, resulting in a significant drawback of excessively long wiring harnesses.

Therefore, the object of the present invention is to provide a locomotive.

Therefore, the motorcycle of the present invention comprises: a frame unit; a power unit mounted on the frame unit and including an engine and an ignition unit; a starter generator mounted on the power unit; an air filter unit mounted on the rear half of the frame unit and spanning across a center plane of the frame; an engine control unit mounted on one side of the air filter unit and used to control the power unit; and a starter generator controller mounted on the other side of the air filter unit and used to control the starter generator.

In some embodiments of the present invention, the ignition unit of the power unit has a spark plug and an ignition coil.

In some embodiments of the present invention, the frame unit includes two main frames located on either side of the frame center plane, and two sub-frames corresponding to the main frames. Each sub-frame is disposed on the lower surface of the rear half of the corresponding main frame and is generally U-shaped. Together with the corresponding main frame, the sub-frame defines a housing space. The engine control unit is disposed in one of the housing spaces, and the starter generator controller is disposed in the other of the housing spaces.

In some embodiments of the present invention, a vehicle body cover is further included, wherein the vehicle body cover encloses the subframes, the engine control unit, and the starter generator controller.

In some embodiments of the present invention, the air filter unit and the engine of the power unit are locked to the frame unit.

In some embodiments of the present invention, a storage box is further included on the frame unit, wherein the storage box is located between the engine control unit and the starter generator controller.

In some embodiments of the present invention, the air filter unit is located in front of the storage box.

In some embodiments of the present invention, the engine control unit is disposed after the starter generator controller.

In some embodiments of the present invention, the frame unit includes two main frames located on either side of the frame center plane, and two sub-frames corresponding to the main frames. Each sub-frame is disposed on the lower surface of the rear half of the corresponding main frame, is generally U-shaped, and together with the corresponding main frame defines a housing space. The engine control unit is disposed behind one of the housing spaces, and the starter generator controller is disposed in the other of the housing spaces.

In some embodiments of the present invention, the engine control unit is disposed behind the left accommodating space, and the starter generator controller is disposed behind the right accommodating space.

The benefit of this invention lies in that, because the air filter unit spans both sides of the vehicle frame's center plane, the wiring harnesses for the engine control unit and the starter generator controller can be evenly distributed on both sides of the rear half of the frame unit, thus avoiding the disadvantage of conventional side-mounted air filter units that result in wiring harnesses being concentrated on the same side of the vehicle body, thus increasing vehicle width.

2: Frame unit

20: Storage space

21: Main frame

22: Subframe

3: Power unit

31: Engine

310: Water filling port

32: Ignition unit

321: Spark Plug

322: Ignition coil

4: Start the generator

5: Air filter unit

6: Engine Control Unit

7: Starter Generator Controller

8: Body cover

9: Storage Box

C: Frame center plane

Other features and functions of the present invention will be clearly presented in the embodiments with reference to the drawings, wherein: FIG1 is a left side view illustrating a straddle-type vehicle disclosed in Patent Publication No. TWI702164 of the Republic of China; FIG2 is a front view illustrating an engine control unit (ECU) of the straddle-type vehicle disclosed in Patent Publication No. TWI702164 of the Republic of China; FIG3 is a partial perspective view illustrating some components of a first embodiment of a motorcycle of the present invention; FIG4 is a left side view illustrating that in this first embodiment, the motorcycle includes a frame The locomotive comprises a first embodiment of the present invention, a first engine control unit, a power unit, an air filter unit, an engine control unit, and a starter generator controller. FIG5 is a top view illustrating that, in the first embodiment, the engine control unit is located on one side of the air filter unit, and the starter generator controller is located on the other side of the air filter unit. FIG6 is a top view illustrating that, in the first embodiment, the locomotive further includes a storage box, and the air filter unit is mounted on the frame unit and located in front of the storage box. FIG7 is a left side view illustrating a second embodiment of the locomotive of the present invention.

Referring to Figures 3 to 6 , a first embodiment of a motorcycle of the present invention includes a front wheel (not shown), a rear wheel (not shown), a frame unit 2, a power unit 3, a rear swing arm (not shown), an electric generator 4, an air filter unit 5, an engine control unit (ECU) 6, an electric generator controller 7, a body cover 8, and a storage box 9.

In this first embodiment, the frame unit 2 includes two main frames 21, one located on either side of a frame center plane C, and two sub-frames 22 corresponding to the main frames 21. Each sub-frame 22 is disposed on the lower surface of the rear half of the corresponding main frame 21 and is generally U-shaped. Together with the corresponding main frame 21, they define a housing space 20.

As shown in Figure 3, the power unit 3 is mounted on the frame unit 2 and includes an engine 31 and an ignition unit 32. The ignition unit 32 includes a spark plug 321 and an ignition coil 322. In this first embodiment, the engine 31 is fixed to the frame unit 2, preventing it from swinging with the rear rocker arm. This improves the durability of the wiring harnesses for the engine control unit 6 and the starter generator controller 7.

The starter generator 4 is mounted on the power unit 3 and serves as both a starter motor and a generator.

The engine control unit 6 is used to control the power unit 3 and is located on one side of the air filter unit 5 and is disposed in one of the accommodating spaces 20. The starter generator controller 7 is used to control the starter generator 4 and is located on the other side of the air filter unit 5.

In this first embodiment, the engine control unit 6 is located in the left accommodating space 20, while the starter generator controller 7 is located in the right accommodating space 20. Therefore, because the wiring harnesses (not shown) for the engine control unit 6 and the starter generator controller 7 are located at the rear of the vehicle, excessive wiring harness lengths are avoided. Furthermore, because the wiring harnesses for the engine control unit 6 and the starter generator controller 7 are evenly distributed on both sides of the rear half of the frame unit 2, the problem of increased vehicle width due to wiring harness arrangement, which would otherwise occur if the engine control unit 6 and the starter generator controller 7 were concentrated on the same side of the frame unit 2, is further avoided.

As shown in Figures 5 and 6, in this first embodiment, the air filter unit 5 is mounted on the frame unit 2, located in front of the storage box 9 and spanning both sides of the frame center plane C. Therefore, compared to conventional side-mounted air filter units that occupy space on a single side of the vehicle body, the air filter unit 5 of the present motorcycle spans both sides of the frame center plane C. Therefore, the wiring harnesses for the engine control unit 6 and the starter generator controller 7 are evenly distributed on both sides of the rear half of the frame unit 2, thus avoiding the disadvantage of conventional side-mounted air filter units that result in increased vehicle width due to wiring harnesses being concentrated on a single side of the vehicle body.

As shown in Figures 3, 4, and 6, in this first embodiment, since the engine 31 is a water-cooled engine, a water inlet 310 connected to the engine 31 is provided in the housing space 20 on one side, as shown in Figure 4. The vehicle body cover 8 encloses the subframes 22, the engine control unit 6, and the starter generator controller 7, thereby protecting the wiring harnesses of the engine control unit 6 and the starter generator controller 7 from damage caused by rocks and gravel picked up from below or behind. Furthermore, the placement of the water inlet 310 in the housing space 20 also prevents contamination of the starter generator controller 7 when water is added through the water inlet 310 during maintenance of this first embodiment.

In this first embodiment, the storage box 9 is disposed on the vehicle frame unit 2 and is located between the engine control unit 6 and the starter generator controller 7, thereby maximizing the storage space of the storage box 9.

Referring to FIG. 7 , the only difference between the second embodiment of the motorcycle of the present invention and the first embodiment is that, in the second embodiment, the engine control unit 6 is located behind the left accommodating space 20.

In summary, the motorcycle of the present invention has at least the following advantages and benefits: (a) Compared to conventional side-mounted air filter units that occupy space on a single side of the vehicle body, the air filter unit 5 of the present motorcycle spans both sides of the vehicle frame center plane C. Therefore, the wiring harnesses of the engine control unit 6 and the starter generator controller 7 can be evenly distributed on both sides of the rear half of the vehicle frame unit 2, thus avoiding the disadvantage of increased vehicle width caused by the wiring harnesses being concentrated on the same side of the vehicle body as with conventional side-mounted air filter units. (b) The vehicle body cover 8 encloses the subframes 22, the engine control unit 6, and the starter generator controller 7. , and the starter generator controller 7, thereby protecting the wiring harness of the engine control unit 6 and the starter generator controller 7 from being damaged by rocks and gravel swept up from below or the rear; (c) The engine 31 is a locked engine, thereby preventing the engine 31 from swinging with the rear rocker arm, thereby ensuring better durability of the wiring harness of the engine control unit 6 and the starter generator controller 7; (d) The storage box 9 is located between the engine control unit 6 and the starter generator controller 7, thereby maximizing the storage space of the storage box 9; thus, the purpose of this invention is effectively achieved.

However, the above descriptions are merely examples of the present invention and should not be construed to limit the scope of the present invention. Any simple equivalent variations and modifications made within the scope of the patent application and the contents of the patent specification are still covered by the present patent.

2: Frame unit

3: Power unit

31: Engine

32: Ignition unit

321: Spark Plug

322: Ignition coil

4: Start the generator

5: Air filter unit

6: Engine Control Unit

7: Starter Generator Controller

Claims (5)

A motorcycle comprises: a frame unit comprising two main frames, one located on either side of a frame center plane, and two sub-frames corresponding to the main frames, each sub-frame being disposed on the lower surface of the rear half of the corresponding main frame, and being generally U-shaped, and defining a housing space together with the corresponding main frame; a power unit, disposed on the frame unit, comprising a locked engine and an ignition unit; a starter generator, disposed on the power unit; an air filter unit, disposed on the rear half of the frame unit, and spanning both sides of the frame center plane; an engine control unit disposed in the rear half of the frame unit and used to control the power unit, and located on one side of the air filter unit; a starter generator controller disposed in the rear half of the frame unit and used to control the starter generator, and located on the other side of the air filter unit, wherein the engine control unit is disposed behind the starter generator controller, the engine control unit is disposed behind one of the accommodating spaces of the frame unit, and the starter generator controller is disposed in the other of the accommodating spaces; and a storage box disposed on the frame unit and located between the engine control unit and the starter generator controller, wherein the air filter unit is located in front of the storage box. A motorcycle as described in claim 1, wherein the ignition unit of the power unit has a spark plug and an ignition coil. The motorcycle as described in claim 1, wherein the air filter unit and the engine of the power unit are locked to the frame unit. The locomotive as described in claim 1, wherein the engine control unit is arranged behind the accommodating space on the left, and the starter generator controller is arranged behind the accommodating space on the right. A motorcycle comprises: A frame unit comprising two main frames, one located on either side of a frame center plane, and two sub-frames corresponding to the main frames, each sub-frame being disposed on the lower surface of the rear half of the corresponding main frame, and having a generally U-shape, and defining a housing space together with the corresponding main frame; A power unit, disposed on the frame unit, comprising a water-cooled engine, an ignition unit, and a water inlet disposed in one of the housing spaces and connected to the water-cooled engine; A starter generator, disposed on the power unit; An air filter unit, disposed in the rear half of the frame unit, spanning both sides of the frame center plane; An engine control unit, disposed in the rear half of the frame unit and used to control the power unit, and located on one side of the air filter unit; and A starter generator controller, disposed in the rear half of the frame unit and used to control the starter generator, and located on the other side of the air filter unit, wherein the engine control unit is disposed behind the starter generator controller, the engine control unit is disposed behind one of the housing spaces of the frame unit, and the starter generator controller is disposed in the other of the housing spaces.